Norbert's dwarf cichlid
Apistogramma norberti
Apistogramma norberti is a beautiful Amazonian freshwater dwarf cichlid. It requires very soft, acidic, and clean water along with appropriate territory management.
Temperatura da água
22 - 26 °C
Valor de pH
5.5 - 6.8
Tipo de água
Água doce
Nível do tanque
Parte inferior
Tamanho adulto
7 cm
Volume mínimo do tanque
>= 80 L
Grupo mínimo
>= 2
GH
2 - 8 dGH
KH
0 - 3 dKH
TDS
30 - 100 ppm
Condutividade
50 - 200 uS/cm
Descrição da espécie
Geographical Origin and Habitat:
This species is native to the Rio Ucayali basin in the Amazonian rainforest of Peru. It inhabits small forest streams (igarapés), swamps, and river margins characterized by calm, shallow, and heavily shaded waters. The bottom is typically covered with a thick layer of leaf litter and fallen branches that release organic tannins.
Taxonomy and Morphology:
Belonging to the family Cichlidae, Apistogramma norberti is a dwarf cichlid featuring a moderately compressed body and prominent lips. Adult males reach a maximum length of about 8 centimeters, while females remain smaller, topping out at around 5 centimeters. They possess a high, pointed dorsal fin.
Social Behavior:
It is a highly territorial species, especially during the breeding season. Males defend a territory that may encompass the sub-territories of multiple females (polygyny). It displays intraspecific aggression but is peaceful toward non-territorial tankmates. Providing ample hiding spots is essential to reduce conflicts.
Coloration and Sexual Dimorphism:
Shows strong sexual dimorphism. Males display a spectacular coloration with blue-cyan reflections on the scales, prominent orange or yellow lips, and a high dorsal fin with orange highlights. Females are smaller, yellowish-gray with a distinct dark spot on the flanks, turning bright yellow when guarding eggs or fry.
Cuidado, criação e companheiros de tanque
Aquarium Setup:
Requires a mature freshwater aquarium of at least 80 liters for a single pair. The ideal substrate is fine, dark sand. The tank must be densely planted and decorated with driftwood, roots, and half coconut shells to serve as caves. Adding dried leaves (such as catappa or oak leaves) helps replicate their natural blackwater habitat.
Diet and Feeding:
Prefers dimmed, diffused lighting. Floating plants are highly recommended to block direct light. Heating must maintain a stable temperature between 24°C and 28°C. A high-quality heater is required, along with a digital thermometer to monitor temperature stability closely.
Water Quality:
In the context of this aquatic species, this refers to water chemistry. It requires extremely soft and acidic water: pH between 5.0 and 6.0, carbonate hardness (KH) of 0 to 2 dKH, and conductivity below 100 µS/cm. Regular, gentle water changes using reverse osmosis (RO) water are mandatory.
Compatibility and Cohabitation:
It is a carnivorous micropredator. In captivity, it prefers live or frozen foods such as baby brine shrimp (artemia nauplii), daphnia, copepods, and bloodworms. It can be difficult to transition to dry foods, which must be high-quality, small sinking pellets. Feed in small amounts.
Aquarium Breeding:
Coexists well with small, peaceful characins (such as pencilfish or neon tetras) that act as dither fish. Avoid housing it with other territorial dwarf cichlids or larger, boisterous tankmates that could outcompete it for food or cause chronic stress. It is a shy fish that needs quiet companions.
Risks and Diseases:
Highly sensitive to water pollution and organic waste build-up. Elevated nitrate levels quickly lead to bacterial infections or hole-in-the-head disease. It is also prone to digestive issues if fed low-quality foods. Routine water maintenance is vital, avoiding sudden changes in water parameters.
Origem e distribuição geográfica
This species is native to the Rio Ucayali basin in the Amazonian rainforest of Peru. It inhabits small forest streams (igarapés), swamps, and river margins characterized by calm, shallow, and heavily shaded waters. The bottom is typically covered with a thick layer of leaf litter and fallen branches that release organic tannins.
Origem
Oceanos tropicais e recifesAmazônia, Orinoco e Guianas
Perfil de peixe
- Temperamento
- Territorial
- Overall, they exhibit a peaceful demeanor towards other species, but they are known to be territorial among their own kind. During the breeding season, both sexes become fiercely protective of their spawning sites and fry, potentially showing aggression to any intruders. Outside of breeding, they are somewhat shy and require a complex environment with plenty of hiding spaces to feel secure. Creating distinct visual barriers helps manage their territorial nature.
- Dieta
- Carnivore
- In their natural habitat, they are micro-predators that sift through the substrate for small invertebrates, insect larvae, and zooplankton. In captivity, they should be offered a varied and high-quality diet consisting of sinking micro-pellets and flakes. Supplementing their diet regularly with live or frozen foods like daphnia, baby brine shrimp, and bloodworms will promote optimal health and vibrant coloration. Variety is key to preventing nutritional deficiencies.
- Expectativa de vida
- 2-4 years
- Tamanho adulto
- 7 cm
- Proporção sexual
- Pair
- In a suitably sized aquarium, they are best maintained in a harem configuration consisting of one dominant male and several females. If the tank is on the smaller side, maintaining a single compatible pair is the safest approach to minimize intraspecific aggression. Keeping multiple males usually requires a very large footprint with complex hardscape to break lines of sight and establish distinct territories. Proper sex ratios are vital for a peaceful tank.
- Frequência de alimentação
- Twice daily
- It is highly recommended to feed them small portions once or twice daily to maintain their metabolism and overall well-being. Care must be taken to only offer an amount they can completely consume within a couple of minutes to avoid fouling the water. Overfeeding is a common mistake that can lead to severe water quality issues. Fasting the fish for one day per week can also help clear their digestive tract.
- Carga biológica
- Low
- This species has a relatively low bioload compared to larger cichlids, making it suitable for appropriately sized setups. However, they are highly sensitive to deteriorating water conditions and elevated nitrates. Maintaining pristine water quality through adequate filtration and regular water changes is absolutely crucial for their long-term health. A heavily planted tank can also help absorb excess nutrients and keep the environment stable.
- Fluxo
- Strong
- Originating from slow-moving streams, backwaters, and sluggish tributaries, they strongly prefer gentle water flow in the aquarium. Strong currents will cause them undue stress and force them to expend unnecessary energy just to maintain their position. Filtration should be baffled if necessary to provide a calm environment, particularly near the substrate where they spend most of their time. Mimicking this natural calm flow is essential for their comfort.
- Risco de salto
- No
- Reprodução
- Oviparous
- They are typical cave spawners, utilizing secluded crevices, leaf litter, or natural hollows to lay their eggs. The female assumes the primary responsibility of guarding the eggs and the subsequent fry, often becoming highly reclusive. The male's role involves defending a larger peripheral territory against any perceived threats. Providing plenty of hiding spots like coconut caves, PVC pipes, and dense vegetation is critical for successful breeding.
- Compatibilidade e companheiros de tanque
- Territorial
- They are best kept in a species-specific aquarium or a peaceful community tank with small, non-aggressive dither fish like tetras or rasboras. Fast-swimming or boisterous tank mates should be avoided as they will easily outcompete this species for food and induce stress. Bottom-dwelling species such as Corydoras might face territorial disputes, especially if breeding behaviors commence. Careful selection of tank mates is necessary to ensure a harmonious environment.
- Nível do tanque
- Bottom
- These fish primarily inhabit the lower third of the water column, spending the vast majority of their day navigating the substrate. They are often seen foraging among leaf litter, driftwood, and plant roots in search of food. They rarely venture into the upper levels of the aquarium unless enticed by feeding or if they lack sufficient cover below. A well-structured bottom layout is highly appreciated.
Modelos e parâmetros científicos
FishBase
Acesso aos dados científicos oficiais da espécie
FishBase v25.04Dados sincronizados em: 15/06/2026
- Nível trófico
- 3,3 ± 0,4 se
- Resiliência
- Média (1,4 - 4,4 anos)
- Unicidade filogenética (PD50)
- 0.5
- Relação bayesiana comprimento-peso
- a = 0.0182, b = 2.99
- VulnerabilidadeVulnerabilidade baixa (10 / 100)
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